WorksheetsBlanton-Quadratic Equations
Total questions: 17
Worksheet time: 29mins
Name
Class
Date
1.
The graph of a quadratic function is called
a)
a line
b)
a hyperbola
c)
a parabola
d)
a cubic
2.
Standard form of a quadratic equation
a)
y=x²
b)
y=ax²+bx+c
c)
y=mx+b
d)
y=x
3.
3x2 - 4 is a quadratic
a)
true
b)
false
4.
What are the green dots called?
a)
axis of symmetry
b)
vertex
c)
parabola
d)
roots or x-intercepts
5.
What is the equation for axis of symmetry?
a)
y=3
b)
x=3
c)
x=5
d)
x=1
6.
Does this parabola have a maximum or minimum?
a)
Maximum
b)
Minimum
7.
Determine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
a)
a = 4, b = -8, c = 3
b)
a = 4, b =-8, c =-3
c)
a = 4, b = 8, c = 3
d)
a = 4, b = 8, c = -3
8.
What are the x- intercepts?
a)
x= 0 and x= -4
b)
x= 0 and x= 4
c)
y= 0
d)
x= 2
9.
The formula x = -b/2a is used to find
a)
the roots
b)
the x-value of the vertex
c)
the y-intercept
d)
the axis of symmetry
10.
What is the vertex of the quadratic function:
y = x2 - 6x + 11?
y = x2 - 6x + 11?
a)
(3,2)
b)
(-3,-2)
c)
(-3,2)
d)
(3,-2)
11.
When a parabola opens downward the vertex is
a)
a minimum
b)
a maximum
c)
a vertex
d)
a parabola
12.
Does the equation open or or down?
Y = -3x2 +7x - 2
Y = -3x2 +7x - 2
a)
up
b)
down
13.
The formula
b2 - 4ac
is called the
b2 - 4ac
is called the
a)
quadratic formula
b)
factored form
c)
vertex formula
d)
the discriminant
14.
What is the axis of symmetry?
f(x) = x2 - 8x + 15.
f(x) = x2 - 8x + 15.
a)
x = -4
b)
x = 4
c)
y = 4
d)
y = -4
15.
What is the axis of symmetry?
y = 3x2 - 6x + 4
y = 3x2 - 6x + 4
a)
x=1
b)
x=-6
c)
x=2
d)
x=-1
16.
What do we call the highest or lowest point of a quadratic?
a)
parabola
b)
vertex
c)
graph
d)
point
17.
What is the y-intercept?
f(x) = -2x2 + 4x - 6
f(x) = -2x2 + 4x - 6
a)
(0, 6)
b)
(0, -6)
c)
(6, 0)
d)
(-6, 0)
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